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Research on firewall technology and its application in computer network security strategy Peihong WangBog'liq Research on firewall technology and its applicatio2. The importance of firewall
Firewall is a separator, limiter and analyzer, which has
strong anti-attack capability.
2.1. Preventing the leakage of important
information
In the current era of big data, people's means of
communication and data transmission have been greatly
developed, and more and more personal information,
enterprise information, government information and other
data are flooded into computer networks or stored on the
cloud through computer networks, which brings great
convenience to people's production, life, work and
management, but at the same time poses a greater challenge
to computer network security. In this process, firewall
becomes a barrier to protect data information and provides a
strong guarantee for computer network security. With the
development of mobile communication technologies such as
5G, the role of firewalls is reflected in how to prevent a large
amount of personal data and private information from being
leaked or illegally stolen in the popularization of mobile
Internet applications.
2.2. Purify the cyberspace environment
With the use of computers and a large number of mobile
devices, people are coupled to computer networks more and
more, and at the same time there will be more risks of
malicious access to user information and data, there will be
many induced malicious invasion of websites or applications,
it is difficult for non-professional users to identify their
malicious behavior from the surface, such means as this
abound in the current computer network environment,
seriously disrupting the current computer network
environment is seriously disturbed. In this environment,
setting up directional firewalls for network use and
configuring corresponding filtering policies can largely assist
users in scientifically identifying fake websites, inducing
malicious network attacks and other behaviors, thus purifying
the cyberspace environment.
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